1. The Miocene Trapper Creek flora of southern Idaho;Axelrod;Univ. Calif. (Berkeley) Publ. Geol. Sci.,1964
2. A method for determining the altitude of Tertiary floras;Axelrod;Paleobotanist,1965
3. The Eocene Copper Basin flora of northeastern Nevada;Axelrod;Univ. Calif. (Berkeley) Publ. Geol. Sci.,1966
4. Quaternary extinctions of large mammals;Axelrod;Univ. Calif. (Berkeley) Publ. Geol. Sci.,1967
5. Tertiary floras and topographic history of the Snake River Basin;Axelrod;Geol. Soc. Am. Bull.,1968